CLINICAL APPROACH AND DIFFERENTIAL DIAGNOSIS (contd) Bitemporal hemianopia/quadrantanopia
Involvement of the upper quadrants first indicates compression of the optic chiasma from below and suggests:
- PITUITARY ADENOMA
- NASOPHARYNGEAL CARCINOMA
- SPHENOID SINUS MUCOCELE
Skull X-ray/ CT scan/MRI
Involvement of the lower quadrants first indicates compression of the optic chiasma from above and suggests:
- THIRD VENTRICULAR TUMOUR
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